Atoms, Elements, Compounds

Able to be hammered or rolled into thin sheets without breaking.

the total number of protons and neutrons.

anything that has mass and occupies space.

An element that is usually shiny, conducts heat and electricity, and is malleable and ductile.

An element with properties intermediate between those of metals and non-metals.

Two or more substances physically combined but not chemically bonded.

The moving substance (usually a solvent) that carries the sample through the stationary phase.

A group of atoms held together by chemical bonds.